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To use these codes, simply type them on your keyboard while playing. Note that they in "Survive" mode. Cheat Code Effect stgod Adds $50,000 and maximizes all skills (except perks) st2 Grants invincibility/immortality stm / cheatm Adds $10,000 stexp / cheatexp Grants enough experience to reach the next level stammo Provides extra ammunition stk9 Kills all monsters currently on the map stkk Alien Shooter 2 Conscription Unlock Code -NEW